/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.config.builders;

import java.util.ArrayList;
import java.util.List;

import org.apache.dubbo.config.MethodConfig;
import org.apache.dubbo.config.ProviderConfig;
import org.apache.dubbo.config.ServiceConfig;

/**
 * This is a builder for build {@link ServiceConfig}.
 *
 * @since 2.7
 */
public class ServiceBuilder<U> extends AbstractServiceBuilder<ServiceConfig, ServiceBuilder<U>> {

  /**
   * The interface name of the exported service
   */
  private String interfaceName;

  /**
   * The interface class of the exported service
   */
  private Class<?> interfaceClass;

  /**
   * The reference of the interface implementation
   */
  private U ref;

  /**
   * The service name
   */
  private String path;

  /**
   * The method configuration
   */
  private List<MethodConfig> methods;

  /**
   * The provider configuration
   */
  private ProviderConfig provider;

  /**
   * The providerIds
   */
  private String providerIds;
  /**
   * whether it is a GenericService
   */
  private String generic;

  public ServiceBuilder<U> interfaceName(String interfaceName) {
    this.interfaceName = interfaceName;
    return getThis();
  }

  public ServiceBuilder<U> interfaceClass(Class<?> interfaceClass) {
    this.interfaceClass = interfaceClass;
    return getThis();
  }

  public ServiceBuilder<U> ref(U ref) {
    this.ref = ref;
    return getThis();
  }

  public ServiceBuilder<U> path(String path) {
    this.path = path;
    return getThis();
  }

  public ServiceBuilder<U> addMethod(MethodConfig method) {
    if (this.methods == null) {
      this.methods = new ArrayList<>();
    }
    this.methods.add(method);
    return getThis();
  }

  public ServiceBuilder<U> addMethods(List<? extends MethodConfig> methods) {
    if (this.methods == null) {
      this.methods = new ArrayList<>();
    }
    this.methods.addAll(methods);
    return getThis();
  }

  public ServiceBuilder<U> provider(ProviderConfig provider) {
    this.provider = provider;
    return getThis();
  }

  public ServiceBuilder<U> providerIds(String providerIds) {
    this.providerIds = providerIds;
    return getThis();
  }

  public ServiceBuilder<U> generic(String generic) {
    this.generic = generic;
    return getThis();
  }

  @Override
  public ServiceBuilder<U> mock(String mock) {
    throw new IllegalArgumentException("mock doesn't support on provider side");
  }

  @Override
  public ServiceBuilder<U> mock(Boolean mock) {
    throw new IllegalArgumentException("mock doesn't support on provider side");
  }

  public ServiceConfig<U> build() {
    ServiceConfig<U> serviceConfig = new ServiceConfig<>();
    super.build(serviceConfig);

    serviceConfig.setInterface(interfaceName);
    serviceConfig.setInterface(interfaceClass);
    serviceConfig.setRef(ref);
    serviceConfig.setPath(path);
    serviceConfig.setMethods(methods);
    serviceConfig.setProvider(provider);
    serviceConfig.setProviderIds(providerIds);
    serviceConfig.setGeneric(generic);

    return serviceConfig;
  }

  @Override
  protected ServiceBuilder<U> getThis() {
    return this;
  }
}
